Home / 772,991.20-1,159,486.80-707,672.80

Finding the Fourth Proportional to 772,991.20, 1,159,486.80 and 707,672.80

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Solution

The fourth proportional to 772,991.20, 1,159,486.80 and 707,672.80 is: 1,061,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,991.20 : 1,159,486.80 = 707,672.80 : x
  2. Step 2: Convert to fraction form
    772,991.20/1,159,486.80 = 707,672.80/x
  3. Step 3: Cross multiply
    772,991.20x = 1,159,486.80 × 707,672.80
  4. Step 4: Simplify right side
    772,991.20x = 820,537,270,319.04
  5. Step 5: Solve for x
    x = 820,537,270,319.04/772,991.20
  6. Step 6: Final answer
    x = 1,061,509.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.